diff --git a/README.rst b/README.rst
index 638a364..e2d2043 100644
--- a/README.rst
+++ b/README.rst
@@ -70,6 +70,6 @@ Sandbox
 To experiment with the package you can use the sandbox provided in
 this repository. To install this you will need to create and activate a
 virtualenv and then run ``make sandbox``. This will start a fresh Wagtail
-install, with the personalisation module enabled, on http://localhost:8000. The
-superuser credentials are ``superuser@example.com`` with the password
-``testing``.
+install, with the personalisation module enabled, on http://localhost:8000 
+and http://localhost:8000/cms/. The superuser credentials are 
+``superuser@example.com`` with the password ``testing``.